Teddy Bentley, zookeeper at the Gunn Zoo, takes the zoo's llama to a Renaissance fair in the Monterey Bay area and discovers the body of the Reverend Victor Emerson. A close look reveals a crossbow dart in the man's back. The investigation reveals that the Reverend was an escaped convict, and Teddy's mother becomes the chief murder suspect.
An exotic trip to Iceland puts Teddy the zookeeper in the middle of the murder case of a wealthy bird watcher. California zookeeper Theodora Bentley travels to Iceland to pick up an orphaned polar bear cub destined for the Gunn Zoo's newly installed Northern Climes exhibit. The trip is intended to be a combination of work and play. But on day two, while horseback riding near a picturesque seaside village, Teddy discovers a man lying atop a puffin burrow, shot through the head. The victim is identified as American bird watcher Simon Parr, winner of the largest Powerball payout in history. Is Teddy a witness -- or a suspect?
Determined to solve a series of murders before he retires, detective Salazar turns to Sunil Singh, a South African transplant who specializes in psychopaths, to help determine if a pair of conjoined twins he apprehended are the killers.